National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Decorah (KDEH)

Lat: 43.28°NLon: 91.73°WElev: 1158ft.

Fair

86°F

30°C

Humidity 43%
Wind Speed SW 8 G 16 mph
Barometer 30.09 in
Dewpoint 61°F (16°C)
Visibility 9.00 mi
Heat Index86°F (30°C)
Last update 3 Oct 2:35 pm CDT
Extended Forecast for

6 Miles NNE Castalia IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 87. Southwest wind around 9 mph.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 65. South wind 5 to 7 mph.

    Low: 65 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 86. Breezy, with a south wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 86 °F

    Sunny then
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63. South wind 13 to 15 mph, with gusts as high as 28 mph.

    Low: 63 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82. Breezy, with a south wind 13 to 20 mph, with gusts as high as 32 mph.

    High: 82 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 54. South wind 8 to 13 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 54 °F

    Showers
    Likely

  • Monday

    Monday: A 30 percent chance of showers. Mostly cloudy, with a high near 65. North wind 5 to 8 mph.

    High: 65 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 46. North wind 3 to 5 mph.

    Low: 46 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Sunny, with a high near 67. Northwest wind 3 to 6 mph.

    High: 67 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 87. Southwest wind around 9 mph.
Tonight
Clear, with a low around 65. South wind 5 to 7 mph.
Saturday
Sunny, with a high near 86. Breezy, with a south wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Saturday Night
Mostly clear, with a low around 63. South wind 13 to 15 mph, with gusts as high as 28 mph.
Sunday
Sunny, with a high near 82. Breezy, with a south wind 13 to 20 mph, with gusts as high as 32 mph.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 54. South wind 8 to 13 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday
A 30 percent chance of showers. Mostly cloudy, with a high near 65. North wind 5 to 8 mph.
Monday Night
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 46. North wind 3 to 5 mph.
Tuesday
Sunny, with a high near 67. Northwest wind 3 to 6 mph.
Tuesday Night
Mostly clear, with a low around 42. North wind 3 to 5 mph.
Wednesday
Sunny, with a high near 65. Calm wind becoming southeast around 6 mph in the morning.
Wednesday Night
Mostly clear, with a low around 43. Southeast wind 3 to 6 mph.
Thursday
Sunny, with a high near 67. South wind 6 to 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNE Castalia IA
 43.19°N 91.62°W
Last Update:
1:43 pm CDT Oct 3, 2025
Forecast Valid:
2pm CDT Oct 3, 2025-6pm CDT Oct 9, 2025
 
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Additional Resources

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Chance of Precipitation